Freescale Semiconductor MCF52277 Reference Manual page 626

Real-Time Clock
Address: 0xFC03_C018 (RTC_IER)
31 30 29
R 0 0
W
Reset 0 0
15 14 13
R
SAM7 SAM6 SAM5 SAM4 SAM3 SAM2 SAM1 SAM0 2HZ
W
Reset 0 0
Field
31–16 Reserved, must be cleared.
15–8 Sampling timer 7–0 interrupt enable.
SAM7–0 0 SAM7–0 interrupt disabled
1 SAM7–0 interrupt enabled
7 2 Hz interrupt enable.
2HZ 0 Interrupt disabled
1 2 Hz interrupt enabled
6 Reserved, must be cleared.
5 Hour interrupt enable.
HR 0 Interrupt disabled
1 Hour interrupt enabled
4 1 Hz interrupt enable.
1HZ 0 Interrupt disabled
1 1 Hz interrupt enabled
3 Day interrupt enable.
DAY 0 Interrupt disabled
1 Day interrupt enabled
2 Alarm interrupt enable.
ALM 0 Interrupt disabled
1 Alarm interrupt enabled
1 Minute interrupt enable.
MIN 0 Interrupt disabled
1 Minute interrupt enabled
0 Stopwatch interrupt enable.
SW 0 Interrupt disabled
1 Stopwatch interrupt enabled. The stopwatch counts down and remains at decimal -1 until it is reprogrammed. If
this bit is enabled with RTC_STPWCF equaling 0x3F, an interrupt is requested on the next minute tick.
26-8
28 27 26
0 0 0 0
0 0 0 0
12 11 10
0 0 0 0
Figure 26-8. RTC Interrupt Enable Register (RTC_IER)
Table 26-9. RTC_IER Field Descriptions
MCF52277 Reference Manual, Rev. 1
25 24 23 22
0 0 0 0
0 0 0 0
9 8 7 6
0
0 0 0 0
Description
Access: User read/write
21 20 19 18
0 0 0 0
0 0 0 0
5 4 3 2
HR 1HZ DAY ALM
0 0 0 0
Freescale Semiconductor
17 16
0 0
0 0
1 0
MIN SW
0 0